/* Norte Regulatorio: single-column editorial site; north-arrow mark, teal ink, amber signal */
:root{
  --bg:#F6F7F5;--surface:#FFFFFF;--fg:#14211F;--muted:#55635F;--rule:#D6DCD9;
  --accent:#0B5E57;--accent-ink:#FFFFFF;--signal:#B87414;--c1:#B3261E;--c2:#B87414;--c3:#2F6F4F;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;--sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root{--bg:#0E1615;--surface:#152120;--fg:#E3EBE8;--muted:#9AA8A4;--rule:#283532;--accent:#6FD0C4;--accent-ink:#0E1615;--signal:#F0B04D;--c1:#F28B82;--c2:#F0B04D;--c3:#8FD3A8;color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
header.top{border-bottom:1px solid var(--rule);background:var(--bg);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font:600 1.15rem var(--serif);color:var(--fg);text-decoration:none}
nav.links{display:flex;gap:18px;flex-wrap:wrap;font-size:.92rem}
nav.links a{color:var(--muted);text-decoration:none}
nav.links a:hover{color:var(--fg)}
.eyebrow{font:500 .78rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--signal)}
h1{font:600 clamp(2rem,5.2vw,3.4rem)/1.08 var(--serif);text-wrap:balance;margin:.3em 0 .4em;max-width:18ch}
h2{font:600 clamp(1.5rem,3.4vw,2.1rem)/1.15 var(--serif);text-wrap:balance;margin:0 0 .4em}
h3{font:600 1.15rem/1.3 var(--serif);margin:0 0 .3em}
.lede{font-size:1.15rem;color:var(--muted);max-width:60ch}
section{padding-block:56px;border-bottom:1px solid var(--rule)}
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:end}
@media (max-width:760px){.hero{grid-template-columns:1fr}}
.stat{border-left:3px solid var(--accent);padding-left:18px}
.stat .num{font:600 clamp(3rem,9vw,5rem)/1 var(--serif);color:var(--accent);font-variant-numeric:tabular-nums}
.stat p{margin:.5em 0 0}
.fine{font-size:.82rem;color:var(--muted)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;padding:12px 20px;border-radius:6px;font-weight:600;text-decoration:none;border:1px solid var(--accent);font-size:.98rem}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{color:var(--accent);background:transparent}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
.pillar{border-top:3px solid var(--fg);padding-top:14px}
.pillar p{margin:0;color:var(--muted)}
.tool{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-block:18px}
.tool label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted);flex:1 1 260px;min-width:0}
select,input{font:inherit;padding:10px 12px;border:1px solid var(--rule);border-radius:6px;background:var(--surface);color:var(--fg);width:100%}
.tablebox{overflow-x:auto;border:1px solid var(--rule);border-radius:8px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font:500 .75rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.cls{font:600 .75rem var(--mono);padding:2px 8px;border-radius:99px;border:1px solid currentColor;white-space:nowrap}
.cls.I{color:var(--c1)}.cls.II{color:var(--c2)}.cls.III{color:var(--c3)}
.counts{display:flex;gap:24px;flex-wrap:wrap;font-size:.92rem;margin-bottom:10px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:22px;display:flex;flex-direction:column;gap:10px}
.plan.feat{border:2px solid var(--accent)}
.plan .price{font:600 2.2rem/1 var(--serif);font-variant-numeric:tabular-nums}
.plan .price small{font:400 .85rem var(--sans);color:var(--muted)}
.plan ul{margin:0;padding-left:1.1em;color:var(--muted);font-size:.92rem;flex:1}
.plan .btn{text-align:center}
.alt{font-size:.85rem}
.kit{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:36px}
@media (max-width:760px){.kit{grid-template-columns:1fr}}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.checklist li{padding-left:22px;position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border:2px solid var(--accent);border-radius:2px}
.note{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--signal);border-radius:6px;padding:14px 16px;font-size:.92rem}
footer{padding-block:40px;font-size:.85rem;color:var(--muted)}
footer .cols{display:flex;gap:28px;flex-wrap:wrap;justify-content:space-between}
footer p{max-width:70ch}
.doc{max-width:72ch;margin:0 auto;padding-block:40px}
.doc h1{font-size:clamp(1.8rem,4.5vw,2.5rem);max-width:none}
.doc h2{font-size:1.25rem;color:var(--accent);margin-top:2em}
.doc .meta{color:var(--muted);font-size:.92rem;border-block:1px solid var(--rule);padding-block:12px;margin-block:16px 24px}
.doc .meta p{margin:2px 0}
.caps{font-size:.88rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* tables: friendlier reading */
.tablebox{box-shadow:0 1px 0 rgba(0,0,0,.02);max-height:none}
table{font-size:.94rem;line-height:1.45}
thead th{position:sticky;top:0;background:var(--surface);border-bottom:2px solid var(--rule);z-index:1;white-space:normal;vertical-align:bottom}
tbody tr:nth-child(even){background:color-mix(in srgb,var(--rule) 22%,transparent)}
tbody tr:hover{background:color-mix(in srgb,var(--accent) 8%,transparent)}
tbody tr:last-child td{border-bottom:0}
th,td{padding:12px 14px}
td:first-child{font-weight:500}
@media (max-width:640px){
 .tablebox{overflow:visible;border:0;background:transparent}
 table.stack,table.stack tbody,table.stack tr,table.stack td{display:block;width:100%}
 table.stack thead{display:none}
 table.stack tr{background:var(--surface);border:1px solid var(--rule);border-radius:10px;margin:0 0 12px;padding:6px 14px}
 table.stack tbody tr:nth-child(even){background:var(--surface)}
 table.stack td{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--rule);padding:9px 0;text-align:right}
 table.stack td:last-child{border-bottom:0}
 table.stack td::before{content:attr(data-label);font:500 .7rem var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;flex:0 0 42%}
 table.stack td:first-child{display:block;text-align:left;font:600 1.05rem var(--serif);padding:8px 0 10px}
 table.stack td:first-child::before{display:none}
 table.stack td[colspan]{display:block}
}

/* plan and kit videos */
.vbtn{margin-top:8px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;font:inherit}
.vmodal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000}
.vmodal[hidden]{display:none}
.vbox{position:relative;width:min(960px,100%);background:#0b1512;border-radius:8px;padding:12px}
.vbox video{width:100%;aspect-ratio:16/9;display:block;background:#000;border-radius:4px}
.vbox .fine{color:#cfe0da;margin:8px 0 0}
.vclose{position:absolute;top:-14px;right:-6px;width:36px;height:36px;border-radius:50%;border:0;background:#fff;color:#111;font-size:22px;line-height:1;cursor:pointer}